ASVAB Math Knowledge Practice Test 792700

Question 4 of 5
Two Variables

When solving an equation with two variables, replace the variables with the values given and then solve the now variable-free equation. (Remember order of operations, PEMDAS, Parentheses, Exponents, Multiplication/Division, Addition/Subtraction.)

If b = -4 and x = -3, what is the value of 3b(b - x)?

-84
-90
-54
12